2149238 has 32 divisors (see below), whose sum is σ = 4065600. Its totient is φ = 846720.

The previous prime is 2149237. The next prime is 2149247. The reversal of 2149238 is 8329412.

2149238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2149238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8798 + ... + 9038.

It is an arithmetic number, because the mean of its divisors is an integer number (127050).

2^2149238 is an apocalyptic number.

2149238 is a deficient number, since it is larger than the sum of its proper divisors (1916362).

2149238 is a wasteful number, since it uses less digits than its factorization.

2149238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 263 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 2149238 is about 1466.0279669911. The cubic root of 2149238 is about 129.0510384344.

The spelling of 2149238 in words is "two million, one hundred forty-nine thousand, two hundred thirty-eight".